Composite oxide powders

X. H. Xie; X. R. Yan; J. Xie; S. Y. Liu

doi:10.1117/12.916768

2 April 2012 Composite oxide powders

X. H. Xie, X. R. Yan, J. Xie, S. Y. Liu

Proceedings Volume 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering; 84090L (2012) https://doi.org/10.1117/12.916768
Event: Third International Conference on Smart Materials and Nanotechnology in Engineering, 2011, Shenzhen, China

Abstract

Nanometer spherical spinel lithium manganates with about 20nm in diameter were synthesized for the first time by explosive method. The water-solubility explosive was prepared using a simple facility at room temperature. The growth of lithium manganate via detonation reaction was investigated with respect to the presence of an energetic precursor, such as the metallic nitrate and the degree of confinement of the explosive charge. For detonation of the water-solubility explosive, the detonation pressure, the detonation temperature and the adiabatic gamma were 2-5 GPa, 2000-3000 K and close to 3. The inherent short duration, high heating rate (10¹⁰-10¹¹ K/s) and high cooling rate (10⁸-10⁹ K/s) prevent the lithium manganate crystallites from growing into larger sizes and induce considerable lattice distortion.

Citation Download Citation

X. H. Xie, X. R. Yan, J. Xie, and S. Y. Liu "Composite oxide powders", Proc. SPIE 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering, 84090L (2 April 2012); https://doi.org/10.1117/12.916768

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